<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<title> ajax_php_mysql </title>
			<meta name="generator" content="editplus" />
			<meta name="author" content="" />
			<meta name="keywords" content="" />
			<meta name="description" content="" />
			<meta http-equiv="Content-Type" content="text/html;charset='utf-8'" />
			<script type="text/javascript" src="ajax_php_mysql.js"></script>
			<style>
				#check{
					color:red;
				}
			</style>
	</head>
	<body>
		<form>
			用户名:<input type="text" name="user" id="user" /><br />
			密码:<input type="password" name="passwd" id ="passwd" onBlur="checkUser()"><br />
			<span id="check"></span>
		</form>
	</body>
</html>
